Rivers in Danger

Rivers not only provide the world with most of its freshwater, but they have acted as transportation routes throughout history. They are also essential for the survival of living things. In this book, readers discover the importance of rivers and why they need to be protected. Colorful photographs take readers on a journey to explore various rivers around the world. Fun facts explain what is being done to keep rivers clean and how readers can help these efforts. an interactive topic web provides many additional activities-from musical selections to geography lessons.